sunday = "monday";monday = "sunday"
t = {sunday = "monday",[sunday] = monday}
print(t[sunday],t['sunday'])
a = {} a.a = a
-- a.a.a.a = 3 出现异常
print(a.a,a.a.a.a)

print(table.concat({1,2,3},","))
function validList(list)
    local l = {}
    for i=1,#list do
        l[i] = list[i]
    end
    assert(l,list)
end
validList({1,2,3,['h']=1})